Specifications

Page 11
XG0400 05/00
M38BV-ST B-Vented Fireplace
Maintenance
HONEYWELL SV 9500 /SV9600
Troubleshooting Sequence
NOTE:
Before Troubleshooting, Familiarize Yourself With
The Startup And Checkout Procedure.
· Turn Gas Supply off
· Set thermostat to
call for heat
SV9500/SV9600
is powered
(24 VAC nominal)
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
START
Igniter warms up
and glows red.
Pilot Valve opens.
Turn gas on.
Pilot Burner lights?
Main Valve opens?
SYSTEM OK
Unplug Pilot Burner Cable,
Measure Voltage at
SV9500/SV9600 HSI
Terminals (24 VAC
Nominal, See INSET)
Replace Igniter/
Flame Rod Assembly.
Replace Igniter/
Flame Rod Assembly.
Replace SV9500/SV9600
Measure Voltage to SV9500
/SV9600. Voltage must
be at least 19.5 VAC
Discard old Igniter/
Flame Rod Assembly.
Replace Igniter/Flame
Rod Assembly and retain.
Restart Troubleshooting
Sequence. Does main
valve open?
Replace
SV9500/
SV9600
Check
Transformer
Line Volt
Supply
Replace
SV9500/
SV9600.
Save old
Igniter/Flame
Rod Assembly
for service.
INSET
HSI
Terminals
CHECK:
· Line voltage power
· Low voltage transformer
· Limit Controller
· Thermostat
· Wiring
· Air proving switch on
combustion air blower system
· Vent damper (if used) is open
and end switch made
Troubleshooting
If your fireplace still does not operate correctly, consult your dealer or
the manufacturer.
All service and repairs should be performed by a qualified
agency.
All spare parts, optional fans (see optional fan instruction guide), and
optional trim finishes are available from the manufacturer or your local
dealer.
M38BV-ST-I
Troubleshooting
The following is a troubleshooting chart of possible problems:
PROBLEM CORRECTIVE ACTION
Noisy Pilot Flame Locate Pilot Adjustment Screw.
Flame is decreased by turning
adjustment screw clockwise.
Pilot won’t ignite Disconnect remote wires and try to
light pilot. If pilot now works, remote
connections are faulty. Check wiring
diagram figure 10.
Main burner will 1. Check wiring (see figure 10)
not light 2. Check wall switch for proper
connection.
M38BV-ST